﻿using System.ComponentModel.DataAnnotations;

namespace lso_2u_Web应用开发.Models.FormData
{
    public class ChatMessage
    {
        public string MessageType { get; set; }

        [Required]
        public string MessageData { get; set; }

        public int SenderUserId { get; set; }

        [Required]
        public int? TargetUserId { get; set;}
    }
}
